Average temperature in September is 16.8 °C
Average daytime temperature is 22.3 °C
Average night temperature is 12.2 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: 5.8 °C
Number of sunny days: 24
Number of rainy days: 6
Number of snow days:
Precipitation sum: 17 mm
* Weather data for San Francisco Argentina is based on climate observations for 2023 year
| Settembre (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 27.5 | 22.2 | 13.2 | 17.2 | 16.8 | 15.5 | 18.9 | 18.3 | 21.1 | 26.9 | 29.3 | 19.2 | 19.1 | 22.2 | 27.6 | 31.8 | 26.7 | 22 | 20.3 | 17.9 | 27.1 | 24.8 | 22.9 | 23.7 | 23.3 | 21.4 | 22.6 | 23.5 | 23.9 | 22.5 |
| Apparent max temperature | 28 | 23.1 | 9.8 | 13.5 | 14 | 13.3 | 15.6 | 15.7 | 18.8 | 25.8 | 31.1 | 14.8 | 16.7 | 17.5 | 23 | 30.7 | 24.5 | 17.1 | 18 | 17.6 | 28.8 | 24.1 | 21.4 | 22.6 | 22.4 | 18.7 | 22.1 | 22.1 | 21.1 | 20.7 |
| Mean temperature | 19 | 19.2 | 11.8 | 12.9 | 11.2 | 12 | 14.2 | 12.2 | 13.4 | 18.4 | 22.5 | 15 | 13.5 | 13.8 | 19.4 | 23.9 | 20.6 | 17.5 | 14.8 | 16.5 | 19.8 | 20.3 | 19.3 | 19.1 | 18.4 | 18.1 | 15.8 | 17.1 | 17.1 | 16.7 |
| Apparent mean temperature | 10.7 | 11.7 | 6.7 | 6.6 | 3.4 | 4.7 | 10 | 3.5 | 4 | 10.8 | 13.8 | 5.9 | 5.4 | 4.2 | 9.4 | 14.4 | 11.6 | 8 | 6.4 | 14.4 | 13.2 | 15.6 | 15.5 | 15.2 | 11.3 | 12.7 | 6.3 | 7.8 | 8.4 | 8.7 |
| Minimum temperature | 13.1 | 15.2 | 10.4 | 10.4 | 5.8 | 8.6 | 11.2 | 5.9 | 6.6 | 12.5 | 19.6 | 10.1 | 8.8 | 7.6 | 13.7 | 18.2 | 16.3 | 13.7 | 9.4 | 15.4 | 13.4 | 16 | 16.4 | 16 | 13.6 | 15.4 | 8.1 | 11.2 | 10.6 | 11.8 |
| Apparent min temperature | 17.9 | 19.4 | 8.4 | 9.2 | 8.2 | 8.9 | 12.3 | 9.8 | 11.1 | 16.7 | 20.7 | 10.4 | 10.5 | 10.1 | 15.1 | 20.9 | 17.8 | 12.4 | 11.8 | 15.8 | 20.8 | 19.7 | 18.2 | 18.1 | 16.6 | 14.9 | 14.1 | 14.1 | 14.1 | 14 |
| Settembre | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 12 | 12 | 12 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.4 |
| Sunshine duration (h) | 10.3 | 2.1 | 0.3 | 6.6 | 10.3 | 1 | 7.3 | 10.7 | 10.4 | 10.7 | 9.6 | 7.1 | 10.7 | 11 | 11 | 11.1 | 10.9 | 11.1 | 9.5 | 0 | 11.3 | 9.6 | 8.1 | 6.2 | 9.5 | 2.7 | 11.5 | 11.5 | 11.6 | 9 |
| Precipitation (mm) | 0 | 2.5 | 11.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 7 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 13.9 | 22.7 | 25.6 | 24.5 | 16.7 | 18.5 | 29.6 | 16.1 | 17 | 17.7 | 40.3 | 24.3 | 13.7 | 22.4 | 28.7 | 24.5 | 32.9 | 31.6 | 19.5 | 18.9 | 10.3 | 22.4 | 21.6 | 18.8 | 18.2 | 29.9 | 13.2 | 18.7 | 22.4 | 15.7 |
In September 2023, the highest daytime temperature in San Francisco was 31.8°C.
While the minimum temperature at night dropped to 5.8°C.
The average nighttime and daytime temperatures during September in San Francisco are 12.2°C and 22.3°C respectively.
The precipitation sum in September is about 17 mm.